def test_enact_order(create_exchange):
# Create a trade
exchange = copy.copy(create_exchange)
exchange.reset()
trade_price = exchange.current_price(symbol="ETH")
trade_1 = Trade(0, "ETH", TradeType.LIMIT_BUY, 100, trade_price)
exchange._next_observation()
exchange.execute_trade(trade_1)
trade_2 = Trade(1, "ETH", TradeType.LIMIT_BUY, 100, trade_price)
exchange._next_observation()
exchange.execute_trade(trade_2)
trade_price = exchange.current_price(symbol="ETH")
trade_3 = Trade(2, "ETH", TradeType.LIMIT_SELL, 73, trade_price)
exchange._next_observation()
exchange.execute_trade(trade_3)
trade_4 = Trade(3, "ETH", TradeType.LIMIT_SELL, 50, trade_price)
exchange._next_observation()
exchange.execute_trade(trade_4)
trade_5 = Trade(4, "ETH", TradeType.LIMIT_SELL, 25, trade_price)
exchange._next_observation()
exchange.execute_trade(trade_5)
# Check that we're 5 trades in.
assert len(exchange.trades) == 5
assert exchange._current_step == 5
def test_reward_invalid_trade_type_input(self):
scheme = SimpleProfit()
scheme.reset()
# Create the first trade
trade_1 = Trade(0, "BTC", 1, 100, 1500)
trade_2 = Trade(2, "BTC", TradeType.LIMIT_SELL, 100, 1300)
scheme.get_reward(0, trade_1)
reward1 = scheme.get_reward(2, trade_2)
assert reward1 == -1015.5908812273915
def test_raise_reward(self):
scheme = SimpleProfit()
scheme.reset()
# Create the first trade
trade_1 = Trade(0, "BTC", TradeType.LIMIT_BUY, 100, 1000)
trade_2 = Trade(2, "BTC", TradeType.LIMIT_SELL, 100, 1500)
scheme.get_reward(0, trade_1)
reward1 = scheme.get_reward(2, trade_2)
assert reward1 == 1926.0370135765718
def get_trade(self, current_step: int, action: TradeActionUnion) -> Trade:
"""The trade type is determined by `action % len(TradeType)`, and the trade amount is determined by the multiplicity of the action.
For example, 1 = LIMIT_BUY|0.25, 2 = MARKET_BUY|0.25, 6 = LIMIT_BUY|0.5, 7 = MARKET_BUY|0.5, etc.
"""
n_splits = self.n_actions / len(TradeType)
trade_type = TradeType(action % len(TradeType))
trade_amount = int(action / len(TradeType)) * float(1 / n_splits) + (
1 / n_splits)
current_price = self._exchange.current_price(symbol=self._instrument)
base_precision = self._exchange.base_precision
instrument_precision = self._exchange.instrument_precision
amount = self._exchange.instrument_balance(self._instrument)
price = current_price
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
amount = round(
self._exchange.balance * 0.99 * trade_amount / price,
instrument_precision)
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount_held = self._exchange.portfolio.get(self._instrument, 0)
amount = round(amount_held * trade_amount, instrument_precision)
return Trade(current_step, self._instrument, trade_type, amount, price)
def get_trade(self, action: TradeActionUnion) -> Trade:
"""
The trade type is determined by `action`, when there are only three types of trades:
hold, buy and sell, implied by FutureTradeType.
将action转化成position和trade
"""
size = (self.action_space.n -1)/2
position = (action - size) / size
'''
比如说n = 5， 生成01234五种动作，实际上对应的持仓大小应该是-1 -0.5 0 0.5 1
'''
change = position - self.last_position
if change > 0.001:
trade_type = FutureTradeType.BUY
elif change < -0.001:
trade_type = FutureTradeType.SELL
else:
trade_type = FutureTradeType.HOLD
amount = abs(change)
price = self._exchange.current_price(symbol=self.instrument_symbol)
next_price = self._exchange.next_price(symbol=self.instrument_symbol)
self.last_position = position
return Trade(self.instrument_symbol, trade_type, amount, price, next_price)
def fill_order(self, trade: Trade, current_price: float) -> Trade:
amount_slippage = np.random.uniform(
0, self.max_amount_slippage_percent / 100)
price_slippage = np.random.uniform(
0, self.max_price_slippage_percent / 100)
fill_amount = trade.amount * (1 - amount_slippage)
fill_price = current_price
if trade.trade_type is TradeType.MARKET_BUY:
fill_price = current_price * (1 + price_slippage)
elif trade.trade_type is TradeType.LIMIT_BUY:
fill_price = max(current_price * (1 + price_slippage), 1e-3)
if fill_price > trade.price:
fill_price = trade.price
fill_amount *= trade.price / fill_price
elif trade.trade_type is TradeType.MARKET_SELL:
fill_price = current_price * (1 - price_slippage)
elif trade.trade_type is TradeType.LIMIT_SELL:
fill_price = max(current_price * (1 - price_slippage), 1e-3)
if fill_price < trade.price:
fill_price = trade.price
fill_amount *= fill_price / trade.price
return Trade(trade.step,
trade.symbol,
trade.trade_type,
amount=fill_amount,
price=fill_price)
def _execute_sell_order(self, order: 'Order', base_wallet: 'Wallet',
quote_wallet: 'Wallet',
current_price: float) -> Trade:
price = self._contain_price(current_price)
if order.type == TradeType.LIMIT and order.price > current_price:
return None
commission = Quantity(order.pair.base, order.size * self._commission,
order.path_id)
size = self._contain_size(order.size - commission.size)
quantity = Quantity(order.pair.base, size, order.path_id)
trade = Trade(order_id=order.id,
exchange_id=self.id,
step=self.clock.step,
pair=order.pair,
side=TradeSide.SELL,
trade_type=order.type,
quantity=quantity,
price=price,
commission=commission)
# self._slippage_model.adjust_trade(trade)
quote_size = trade.size / trade.price * (trade.price / order.price)
quote_wallet -= Quantity(order.pair.quote, quote_size, order.path_id)
base_wallet += quantity
base_wallet -= commission
return trade
def execute_trade(self, trade: Trade) -> Trade:
if trade.trade_type == TradeType.LIMIT_BUY:
order = self._exchange.create_limit_buy_order(symbol=trade.symbol,
amount=trade.amount,
price=trade.price)
elif trade.trade_type == TradeType.MARKET_BUY:
order = self._exchange.create_market_buy_order(symbol=trade.symbol,
amount=trade.amount)
elif trade.trade_type == TradeType.LIMIT_SELL:
order = self._exchange.create_limit_sell_order(symbol=trade.symbol,
amount=trade.amount,
price=trade.price)
elif trade.trade_type == TradeType.MARKET_SELL:
order = self._exchange.create_market_sell_order(
symbol=trade.symbol, amount=trade.amount)
max_wait_time = time.time() + self._max_trade_wait_in_sec
while order['status'] is 'open' and time.time() < max_wait_time:
order = self._exchange.fetch_order(order.id)
if order['status'] is 'open':
self._exchange.cancel_order(order.id)
self._performance.append(
{
'balance': self.balance,
'net_worth': self.net_worth,
},
ignore_index=True)
return Trade(symbol=trade.symbol,
trade_type=trade.trade_type,
amount=order['filled'],
price=order['price'])
def get_trade(self, action: TradeActionUnion) -> Trade:
action_type, trade_amount = action
trade_type = TradeType(int(action_type * len(TradeType)))
current_price = self._exchange.current_price(
symbol=self.instrument_symbol)
base_precision = self._exchange.base_precision
instrument_precision = self._exchange.instrument_precision
amount = self._exchange.instrument_balance(self.instrument_symbol)
price = current_price
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
amount = round(
self._exchange.balance * 0.99 * trade_amount / price,
instrument_precision)
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount_held = self._exchange.portfolio.get(self.instrument_symbol,
0)
amount = round(amount_held * trade_amount, instrument_precision)
return Trade(self.instrument_symbol, trade_type, amount, price)
def get_trade(self, current_step: int, action: TradeActionUnion) -> Trade:
"""The trade type is determined by `action % len(TradeType)`, and the trade amount is determined by the multiplicity of the action.
获取Trade对象，交易类型，由 action % len(TradeType)决定， 交易数量， 根据action 动作对应级别获取
For example, 1 = LIMIT_BUY|0.25, 2 = MARKET_BUY|0.25, 6 = LIMIT_BUY|0.5, 7 = MARKET_BUY|0.5, etc.
"""
# 每个交易动作，对应的操作仓位份数。 20/ 5 = 4
n_splits = self.n_actions / len(TradeType)
# 交易类型 0 ~4 % 5
trade_type = TradeType(action % len(TradeType))
# 交易仓位， action/len(TradeType) +1 => 交易数量份数( 1~5) => 乘以每一份
trade_amount_percent = int(action / len(TradeType)) * float(
1 / n_splits) + (1 / n_splits)
# 当前交易合约价格
current_price = self._exchange.current_price(symbol=self._instrument)
# 基准合约价格精度
base_precision = self._exchange.base_precision
# 交易合约价格精度
instrument_precision = self._exchange.instrument_precision
# 当前合约持仓数量
amount = self._exchange.instrument_balance(self._instrument)
# 当前价格
price = current_price
# 市价/限价买入
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
# 滑点调整=》价格
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
# 精度修正=》价格
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
# 账号基准净值 * 仓位比例 / 价格 =》 修正 =》 买入交易合约数量
amount = round(
self._exchange.balance * 0.99 * trade_amount_percent / price,
instrument_precision)
# 市价卖出/限价卖出
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
# 滑点调整=》价格
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
# 精度修正=》价格
price = round(current_price * price_adjustment, base_precision)
# 交易合约当前持仓数量
amount_held = self._exchange.portfolio.get(self._instrument, 0)
# 持仓数量 * 仓位比例 => 修正 =》 卖出交易合约数量
amount = round(amount_held * trade_amount_percent,
instrument_precision)
# 交易合约，交易类型，交易数量，交易价格 =》 Trade 对象
return Trade(current_step, self._instrument, trade_type, amount, price)
def test_slippage_trade():
""" Make sure the slippage is not zero. """
trade_2 = Trade(2, "BTC", TradeType.LIMIT_SELL, 100, 1300)
slippage = RandomUniformSlippageModel(max_amount_slippage_percent=3.0)
slipped_trade = slippage.fill_order(trade_2, 1300)
# print(slipped_trade._price, slipped_trade._amount)
assert slipped_trade.symbol == "BTC"
assert slipped_trade.trade_type == TradeType.LIMIT_SELL
assert slipped_trade.amount != trade_2.amount
def reset(self) -> pd.DataFrame:
"""Resets the state of the environment and returns an initial observation.
Returns:
observation: the initial observation.
"""
self._action_strategy.reset()
self._reward_strategy.reset()
self._exchange.reset()
self._current_step = 0
return self._next_observation(Trade('N/A', 'hold', 0, 0))
def get_trade(self, current_step: int, action: TradeActionUnion) -> Trade:
"""
get a new Trade object. 根据action参数，获取一个新的Trade对象
:param action: 交易动作类型，（tuple)
:return:
"""
# 动作类型(int)， 交易仓位（0~1）
action_type, trade_amount_percent = action
# 交易类型
trade_type = TradeType(int(action_type * len(TradeType)))
# 获取合约的当前价格
current_price = self._exchange.current_price(symbol=self._instrument)
# 获取基准合约价格精度（例如USDT)
base_precision = self._exchange.base_precision
# 获取交易合约价格精度(例如BTC)
instrument_precision = self._exchange.instrument_precision
# 当前持有的
# 获取交易合约当前持仓数量
amount = self._exchange.instrument_balance(self._instrument)
price = current_price
# 市价买入/限价买入
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
# 滑点调整=》价格
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
# 精度修正=》价格
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
# 账号基准净值 * 仓位比例 / 价格 =》 修正 =》 买入交易合约数量
amount = round(
self._exchange.balance * 0.99 * trade_amount_percent / price,
instrument_precision)
# 市价卖出/限价卖出
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
# 滑点调整=》价格
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
# 精度修正=》价格
price = round(current_price * price_adjustment, base_precision)
# 交易合约当前持仓数量
amount_held = self._exchange.portfolio.get(self._instrument, 0)
# 持仓数量 * 仓位比例 => 修正 =》 卖出交易合约数量
amount = round(amount_held * trade_amount_percent,
instrument_precision)
# 交易合约，交易类型，交易数量，交易价格 =》 Trade 对象
return Trade(current_step, self._instrument, trade_type, amount, price)
def get_trade(self, action: TradeActionUnion) -> Trade:
"""
The trade type is determined by `action`, when there are only three types of trades:
hold, buy and sell, implied by FutureTradeType.
ACTION is determined, by default, discrete(3), and it should only include (0,1,2)
"""
trade_type = FutureTradeType(action)
amount = 0.1
current_price = self._exchange.current_price(
symbol=self.instrument_symbol)
price = current_price
return Trade(self.instrument_symbol, trade_type, amount, price)
def fill_order(self, trade: Trade) -> Trade:
fill_amount = trade.amount * (
1 - np.random.uniform(0, self.max_amount_slippage_percent))
fill_price = trade.price
if trade.trade_type is TradeType.MARKET_BUY or trade.trade_type is TradeType.LIMIT_BUY:
fill_price = trade.price * (
1 + np.random.uniform(0, self.max_price_slippage_percent))
elif trade.trade_type is TradeType.MARKET_SELL or trade.trade_type is TradeType.LIMIT_SELL:
fill_price = trade.price * (
1 - np.random.uniform(0, self.max_price_slippage_percent))
return Trade(trade.symbol,
trade.trade_type,
amount=fill_amount,
price=fill_price)
def get_trade(self, current_step: int, action: TradeActionUnion) -> Trade:
"""The trade type is determined by `action % len(TradeType)`, and the trade amount is determined by the multiplicity of the action.
For example, 1 = LIMIT_BUY|0.25, 2 = MARKET_BUY|0.25, 6 = LIMIT_BUY|0.5, 7 = MARKET_BUY|0.5, etc.
"""
# n_splits = self.n_actions / len(TradeType)
# trade_type = TradeType(action % len(TradeType))
# trade_amount = int(action / len(TradeType)) * float(1 / n_splits) + (1 / n_splits)
if action == 3:
amount = abs(self._exchange.total_position)
if self._exchange.total_position > 0:
trade_type = TradeType(2)
else:
trade_type = TradeType(1)
else:
trade_type = TradeType(action)
amount = self.max_allowed_amount
current_price = self._exchange.current_price(symbol=self._instrument)
# base_precision = self._exchange.base_precision
# instrument_precision = self._exchange.instrument_precision
# amount = self._exchange.instrument_balance(self._instrument)
price = current_price
# # if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
# if trade_type is TradeType.MARKET_LONG:
# price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
# price = max(round(current_price * price_adjustment, base_precision), base_precision)
# # amount = round(self._exchange.balance * 0.99 * trade_amount / price, instrument_precision)
# # amount = round((self._exchange.balance * self._exchange.leverage * price) / 10000) + 5
# # amount = self.max_allowed_amount
# # print('Position Size => ', amount, ' USDT')
# # elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
# elif trade_type is TradeType.MARKET_SHORT:
# price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
# price = round(current_price * price_adjustment, base_precision)
# amount_held = self._exchange.portfolio.get(self._instrument, 0)
# # amount = round(amount_held * trade_amount, instrument_precision)
# # amount = round((self._exchange.balance * self._exchange.leverage * price) / 10000) + 5
# # amount = self.max_allowed_amount
# # print('Position Size => ', amount, ' USDT')
return Trade(current_step, self._instrument, trade_type, amount, price)
def get_trade(self, action: TradeActionUnion) -> Trade:
"""The trade type is determined by `action % len(TradeType)`, and
the trade amount is determined by the multiplicity of the action.
For example:
0 = HOLD
1 = LIMIT_BUY|0.25
2 = MARKET_BUY|0.25
5 = HOLD
6 = LIMIT_BUY|0.5
7 = MARKET_BUY|0.5
etc.
"""
product_idx = int(action / self._actions_per_instrument)
product = self._products[product_idx]
n_splits = int(self._actions_per_instrument / len(TradeType))
trade_type = TradeType(action % len(TradeType))
trade_amount = int(action / len(TradeType)) * \
float(1 / n_splits) + (1 / n_splits)
trade_amount = trade_amount - product_idx
current_price = self._exchange.current_price(symbol=product)
base_precision = self._exchange.base_precision
instrument_precision = self._exchange.instrument_precision
amount = self._exchange.instrument_balance(product)
price = current_price
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
price_adjustment = 1 + (self._max_allowed_slippage_percent / 100)
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
amount = round(
self._exchange.balance * 0.99 * trade_amount / price,
instrument_precision)
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
price_adjustment = 1 - (self._max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount_held = self._exchange.portfolio.get(product, 0)
amount = round(amount_held * trade_amount, instrument_precision)
return Trade(product, trade_type, amount, price)
def _execute_buy_order(self, order: 'Order', base_wallet: 'Wallet',
quote_wallet: 'Wallet',
current_price: float) -> Trade:
price = self._contain_price(current_price)
if order.type == TradeType.LIMIT and order.price < current_price:
return None
commission = Quantity(order.pair.base, order.size * self._commission,
order.path_id)
base_size = self._contain_size(order.size - commission.size)
if order.type == TradeType.MARKET:
scale = order.price / price
base_size = self._contain_size(scale * order.size -
commission.size)
base_wallet -= commission
try:
quantity = Quantity(order.pair.base, base_size, order.path_id)
base_wallet -= quantity
except InsufficientFundsForAllocation:
balance = base_wallet.locked[order.path_id]
quantity = Quantity(order.pair.base, balance.size, order.path_id)
base_wallet -= quantity
quote_size = (order.price / price) * (quantity.size / price)
quote_wallet += Quantity(order.pair.quote, quote_size, order.path_id)
trade = Trade(order_id=order.id,
exchange_id=self.id,
step=self.clock.step,
pair=order.pair,
side=TradeSide.BUY,
trade_type=order.type,
quantity=quantity,
price=price,
commission=commission)
# self._slippage_model.adjust_trade(trade)
return trade
def execute_buy_order(order: 'Order', base_wallet: 'Wallet',
quote_wallet: 'Wallet', current_price: float,
options: 'ExchangeOptions', exchange_id: str,
clock: 'Clock') -> 'Trade':
price = contain_price(current_price, options)
if order.type == TradeType.LIMIT and order.price.rate < current_price:
return None
commission = Quantity(order.pair.base, order.size * options.commission,
order.path_id)
size = contain_size(order.size - commission.size, options)
if order.type == TradeType.MARKET:
scale = order.price.rate / price
print(scale * order.size - commission.size)
size = contain_size(scale * order.size - commission.size, options)
base_wallet -= commission
try:
quantity = Quantity(order.pair.base, size, order.path_id)
base_wallet -= quantity
except InsufficientFunds:
balance = base_wallet.locked[order.path_id]
quantity = Quantity(order.pair.base, balance.size, order.path_id)
base_wallet -= quantity
quote_size = (order.price.rate / price) * (size / price)
quote_wallet += Quantity(order.pair.quote, quote_size, order.path_id)
trade = Trade(order_id=order.id,
exchange_id=exchange_id,
step=clock.step,
pair=order.pair,
side=TradeSide.BUY,
trade_type=order.type,
quantity=quantity,
price=price,
commission=commission)
return trade
def get_trade(self, current_step: int, action: TradeActionUnion) -> Trade:
if abs(float(action)) > 0.8:
amount = abs(self._exchange.total_position)
if self._exchange.total_position > 0:
trade_type = TradeType(2)
else:
trade_type = TradeType(1)
else:
amount = self.max_allowed_amount
if np.sign(action) > 0:
trade_type = TradeType(1)
elif np.sign(action) < 0:
trade_type = TradeType(2)
else:
trade_type = TradeType(0)
current_price = self._exchange.current_price(symbol=self._instrument)
# base_precision = self._exchange.base_precision
price = current_price
# amount = self._exchange.instrument_balance(self._instrument)
# if trade_type is TradeType.MARKET_LONG:
# price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
# price = max(round(current_price * price_adjustment, base_precision), base_precision)
# # amount = round(self._exchange.balance * 0.99 *
# # trade_amount / price, instrument_precision)
#
# amount = round(trade_amount * self.max_allowed_amount, instrument_precision)
# # amount = round(trade_amount * (self._exchange.balance * self._exchange.leverage * price) * self.max_allowed_amount_percent / 100, instrument_precision)
#
# elif trade_type is TradeType.MARKET_SHORT:
# price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
# price = round(current_price * price_adjustment, base_precision)
# # amount_held = self._exchange.portfolio.get(self._instrument, 0)
# # amount = round(amount_held * trade_amount, instrument_precision)
#
# amount = round(trade_amount * self.max_allowed_amount, instrument_precision)
# # amount = round(trade_amount * (self._exchange.balance * self._exchange.leverage * price) * self.max_allowed_amount_percent / 100, instrument_precision)
return Trade(current_step, self._instrument, trade_type, amount, price)
def get_trade(self, action: TradeActionUnion) -> Trade:
"""The trade type is determined by `action % len(TradeType)`, and the trade amount is determined by the multiplicity of the action.
For example, 1 = LIMIT_BUY|0.25, 2 = MARKET_BUY|0.25, 6 = LIMIT_BUY|0.5, 7 = MARKET_BUY|0.5, etc.
"""
#print('action is' + str(action))
n_splits = self.n_actions / len(TradeType)
#4 = 20 / 5
trade_type = TradeType(action % len(TradeType))
#action 除以 TradeType 的 余数? action = 10
trade_amount = int(action / len(TradeType)) * float(1 / n_splits) + (
1 / n_splits)
#int(10 / 5) * (1/4) + (1/4) = 0.75
#这个应该是指买入的percent?
current_price = self._exchange.current_price(
symbol=self.instrument_symbol)
base_precision = self._exchange.base_precision
instrument_precision = self._exchange.instrument_precision
amount = self._exchange.instrument_balance(self.instrument_symbol)
#现在持有的量
price = current_price
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
price = max(
round(current_price * price_adjustment, base_precision),
base_precision)
amount = round(
self._exchange.balance * 0.99 * trade_amount / price,
instrument_precision)
#99%的balance * 0.75 / 价格， 意思就是交易量是75%的现金
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount_held = self._exchange.portfolio.get(self.instrument_symbol,
0)
amount = round(amount_held * trade_amount, instrument_precision)
return Trade(self.instrument_symbol, trade_type, amount, price)
def execute_order(self, order: 'Order', portfolio: 'Portfolio'):
if order.type == TradeType.LIMIT and order.side == TradeSide.BUY:
executed_order = self._exchange.create_limit_buy_order(
order.symbol, order.size, order.price)
elif order.type == TradeType.MARKET and order.side == TradeSide.BUY:
executed_order = self._exchange.create_market_buy_order(
order.symbol, order.size)
elif order.type == TradeType.LIMIT and order.side == TradeSide.SELL:
executed_order = self._exchange.create_limit_sell_order(
order.symbol, order.size, order.price)
elif order.type == TradeType.MARKET and order.side == TradeSide.SELL:
executed_order = self._exchange.create_market_sell_order(
order.symbol, order.size)
else:
return order.copy()
max_wait_time = time.time() + self._max_trade_wait_in_sec
while order['status'] == 'open' and time.time() < max_wait_time:
executed_order = self._exchange.fetch_order(order.id)
if order['status'] == 'open':
self._exchange.cancel_order(order.id)
order.cancel(self._exchange)
trade = Trade(order_id=order.id,
exchange_id=self.id,
step=order.step,
pair=order.pair,
side=order.side,
trade_type=order.type,
quantity=executed_order['filled'] * order.pair.base,
price=executed_order['price'],
commission=executed_order['commission'] *
order.pair.base)
order.fill(self, trade)
def get_trade(self, action: TradeActionUnion) -> Trade:
trade_type = TradeType(action % len(TradeType))
trade_amount = float(1 / (action % self.n_bins + 1))
current_price = self._exchange.current_price(symbol=self.asset_symbol)
base_precision = self._exchange.base_precision
asset_precision = self._exchange.asset_precision
amount = 0
price = current_price
if trade_type is TradeType.MARKET_BUY or trade_type is TradeType.LIMIT_BUY:
price_adjustment = 1 + (self.max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount = round(self._exchange.balance * trade_amount / price,
asset_precision)
elif trade_type is TradeType.MARKET_SELL or trade_type is TradeType.LIMIT_SELL:
price_adjustment = 1 - (self.max_allowed_slippage_percent / 100)
price = round(current_price * price_adjustment, base_precision)
amount_held = self._exchange.portfolio.get(self.asset_symbol, 0)
amount = round(amount_held * trade_amount, asset_precision)
return Trade(self.asset_symbol, trade_type, amount, price)